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Finding the Fourth Proportional to 555,230.49, 833,188.50 and 218,211.90

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Solution

The fourth proportional to 555,230.49, 833,188.50 and 218,211.90 is: 327,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,230.49 : 833,188.50 = 218,211.90 : x
  2. Step 2: Convert to fraction form
    555,230.49/833,188.50 = 218,211.90/x
  3. Step 3: Cross multiply
    555,230.49x = 833,188.50 × 218,211.90
  4. Step 4: Simplify right side
    555,230.49x = 181,811,645,643.15
  5. Step 5: Solve for x
    x = 181,811,645,643.15/555,230.49
  6. Step 6: Final answer
    x = 327,452.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.